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燃气发电机组受潮后的烘干处理

来源:http://www.huannengpower.com   发布于:2017-11-29

一般在受潮以后我们需要进行烘干操作,我们就来介绍一下烘干操作的方式:

In general, we need to do the drying after the tide, and we will introduce the way of drying.

1、第一种是稳态短路电流法,这种方法的是在交流发电机受潮后,在出线盒内将三相短接,然后使发电机转速上升到暂定转速,保持不变,再调节励磁电流.

1, the first one is the steady-state short-circuit current method. The method is to connect the three-phase to the outlet box in the outlet box after the generator is damp, and then increase the speed of the generator to the provisional speed, keep the same and adjust the excitation current.

先使定子短路电流 达到额定电流的50%~70%,保持4~5h,然后再增加励磁电流,使短路电流达到额定值的80%一100%,使线圈温度保持在85℃以下,每隔30min测量一次线圈的绝缘电阻和温度,直到绝缘电阻达到规定值并稳定为止。

The stator circuit of rated current from 50% to 70%, maintained 4 ~ 5h, and then increase the excitation current, short circuit current reaches the rated value of 80% - 100%, the coil temperature is maintained at 85 DEG C, every 30min measurement a coil insulation resistance and temperature, until it reaches the specified value of insulation resistance and stability so far.

QQ截图20171025151947.jpg

2、第二种则是使用烘箱(炉)烘烤法,在一些条件允许的地方可以将电机整体(好把定子和转于拆开)放到烘箱(炉)中逐渐升温烘烤.烘箱(炉)应能通风。

The 2 and the second way is to use oven (oven) baking method. Under some conditions, we can put the motor as a whole (preferably the stator and turn it open) into the oven (oven), and gradually heat up and bake. The oven (oven) should be able to ventilate.

以便带走电机内的潮气,并且好是夹层的,里层放电机,在外层加热。里层的温度保持在90一100°C,而且不能有明火、烟尘以及其他可燃性和腐蚀性气体存在。一般要求连续烘烤8~18h,中间可测量几次电机的绝缘电阻值,直至达到规定值并且稳定为止。

To take away the moisture in the motor, and preferably the interlayer, the inner layer of the motor, and heating the outer layer. The temperature of the inner layer is maintained at 90 to 100 C, and there is no fire, smoke and other combustible and corrosive gases. It is generally required to bake 8 to 18h continuously, and the insulation resistance of several motors can be measured in the middle until it reaches the specified value and is stable.

通过上面的两种方法可以在一定程度上解决燃气发电机组受潮的问题,但是好是不要让机器出现受潮,毕竟机器一旦受潮会影响我们后期的使用。

The above two methods can solve the problem of damp of gas generator set to a certain extent, but the best thing is not to let the machine get damp. After all, once the machine gets wet, it will affect our later use.


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